diff options
| author | Babu Moger <babu.moger@oracle.com> | 2017-05-24 17:55:13 -0600 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-25 12:06:51 -0700 |
| commit | a37594f198363fd9321ece54440336fd4b2a9c8e (patch) | |
| tree | 591a2cc525ac40ca81840cd1b93e615dc5dd9679 /arch/sparc/include/asm/qrwlock.h | |
| parent | a12ee2349312d7112b9b7c6ac2e70c5ec2ca334e (diff) | |
arch/sparc: Enable queued rwlocks for SPARC
Enable queued rwlocks for SPARC. Here are the discussions on this feature
when this was introduced.
https://lwn.net/Articles/572765/
https://lwn.net/Articles/582200/
Cleaned-up the arch_read_xxx and arch_write_xxx definitions in spinlock_64.h.
These routines are replaced by the functions in include/asm-generic/qrwlock.h
Signed-off-by: Babu Moger <babu.moger@oracle.com>
Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com>
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com>
Reviewed-by: Vijay Kumar <vijay.ac.kumar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/include/asm/qrwlock.h')
| -rw-r--r-- | arch/sparc/include/asm/qrwlock.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/qrwlock.h b/arch/sparc/include/asm/qrwlock.h new file mode 100644 index 000000000000..d68a4b102100 --- /dev/null +++ b/arch/sparc/include/asm/qrwlock.h @@ -0,0 +1,7 @@ +#ifndef _ASM_SPARC_QRWLOCK_H +#define _ASM_SPARC_QRWLOCK_H + +#include <asm-generic/qrwlock_types.h> +#include <asm-generic/qrwlock.h> + +#endif /* _ASM_SPARC_QRWLOCK_H */ |